<div class="container">
<h1>Selecciona tu estilo</h1>

<ul class="thumb"> 
<form action="Home.php?page=perfil" method="post">
<input type="submit" id="btnEstilo-submit" name="btnEstilo-submit" value="Actualizar"/>
</form>
<center>
	<a href="#" onclick="setActiveStyleSheet('menu')"; return false; id=""><img src="img/menu.jpg" alt="" /></a> 
	<a href="#" onclick="setActiveStyleSheet('Prueba')"; return false; id=""><img src="img/Prueba.jpg" alt="" /></a>
</center>
</ul>
</div>